CVE-2026-41450 UAC < 3.3.0 Command Injection via command_collector.sh
Attackers can execute arbitrary commands on the analyst's host by crafting malicious filenames or artifact definitions in UAC.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-41450?
CVE-2026-41450 is a high-severity command injection vulnerability in tclahr uac, published on 21 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
UAC (Unix-like Artifacts Collector) versions prior to 3.3.0 contain a command injection vulnerability in the _command_collector function where foreach command output lines are substituted directly into command strings via sed without proper escaping before being evaluated with eval. Attackers can exploit this by crafting malicious filenames or artifact definitions containing shell metacharacters such as command substitution syntax or semicolons to execute arbitrary commands on the analyst's host system.
Weakness: CWE-78
Which versions are affected by CVE-2026-41450?
How do I fix CVE-2026-41450?
No fix has been published for CVE-2026-41450 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-41450 being exploited?
There is no known exploitation of CVE-2026-41450 in the wild and no public exploit code.
Sources
Also known as GHSA-2p5p-hghg-98jw.